词汇	on the threshold of sth
释义	on the threshold of sth 🌏在sth的门槛
随便看	horizontal firmed tubes horizontal fish finder horizontal fissure horizontal fissure of cerebellum horizontal fissure of right lung horizontal fixed position horizontal fixing horizontal flail slasher horizontal flange horizontal flange assembly horizontal flat-bed press horizontal flat rolling horizontal flaying machine horizontal flexural vibration horizontal flexure horizontal flight Horizontal Flight Test Facility Horizontal Flight Testing Horizontal Flight Test Simulator horizontal flip horizontal floating annealing line horizontal flow horizontal flow artificial wetland horizontal flow basin horizontal-flow basin